2001

7.2

1955

7.2

1956

7.5

2011

7.6

2010

6.6

1991

7.0

1994

8.1

1990

6.7

2011

5.0

2004

6.2

2024

7.4

2022

6.8

2014

5.8

1970

6.4

2023

6.8

2010

7.7

1980

6.3

1984

7.2

1975

6.4

2023

6.9